#include "string.h"
#include "error.h"
#include "portable_io.h"
+#include "select.cmdline.h"
+
+/** Global dir count. */
+static uint64_t num_dirs;
+/** Global files count. */
+static uint64_t num_files;
+/** Global bytes count. */
+static uint64_t num_bytes;
/** The decimal representation of an uint64_t never exceeds that size. */
#define FORMATED_VALUE_SIZE 25
static const char size_unit_abbrevs[] = " BKMGT";
static const char count_unit_abbrevs[] = " kmgt";
+struct select_args_info select_conf;
+static struct uid_range *admissible_uids;
static enum enum_size_unit format_size_value(enum enum_size_unit unit,
uint64_t value, int print_unit, char *result)
char *result = NULL, *tmp;
struct osl_row *row;
uint64_t val = *dirnum;
- struct osl_object obj = {.data = &val, .size = sizeof(val)};
+ struct osl_object obj;
int ret;
+ char *pfx;
again:
+ obj.data = &val;
+ obj.size = sizeof(val);
ret = osl(osl_get_row(dir_table, DT_NUM, &obj, &row));
if (ret < 0)
goto out;
- ret = osl(osl_get_object(dir_table, row, DT_NAME, &obj));
- if (ret < 0)
- goto out;
- if (result) {
- tmp = make_message("%s/%s", (char *)obj.data, result);
- free(result);
- result = tmp;
- } else
- result = adu_strdup((char *)obj.data);
ret = osl(osl_get_object(dir_table, row, DT_PARENT_NUM, &obj));
if (ret < 0)
goto out;
val = *(uint64_t *)obj.data;
+ ret = osl(osl_get_object(dir_table, row, DT_NAME, &obj));
+ if (ret < 0)
+ goto out;
+ pfx = (conf.print_base_dir_given || val)? (char *)obj.data : ".";
+ tmp = make_message("%s/%s", pfx, result? result : "");
+ free(result);
+ result = tmp;
if (val)
goto again;
out:
if (ret < 0) {
free(result);
*name = NULL;
- } else
+ } else {
+ assert(result);
*name = result;
+ }
return ret;
}
{
struct osl_object obj;
int ret;
- char *this_dir, *prefix = NULL;
*name = NULL;
- ret = osl(osl_get_object(dir_table, dir_table_row, DT_NAME, &obj));
+ ret = osl(osl_get_object(dir_table, dir_table_row, DT_NUM, &obj));
if (ret < 0)
return ret;
- this_dir = adu_strdup((char *)obj.data);
- ret = osl(osl_get_object(dir_table, dir_table_row, DT_PARENT_NUM, &obj));
- if (ret < 0)
- goto out;
- if (!*(uint64_t *)obj.data) {
- *name = this_dir;
- return 1;
- }
- ret = get_dir_name_by_number((uint64_t *)obj.data, &prefix);
- if (ret < 0)
- goto out;
- *name = make_message("%s/%s", prefix, this_dir);
- free(prefix);
- ret = 1;
-out:
- free(this_dir);
- return ret;
+ return get_dir_name_by_number((uint64_t *)obj.data, name);
}
+
static int user_stats_loop_function(struct osl_row *row, void *data)
{
struct user_stats_info *usi = data;
goto err;
files = *(uint64_t *)obj.data;
if (usi->count && (usi->flags & USF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
+ format_count_value(select_conf.count_unit_arg, files,
+ select_conf.count_unit_arg == count_unit_arg_h,
formated_value);
printf("\t%s%s", formated_value,
(usi->flags & (USF_PRINT_BYTES | USF_PRINT_DIRNAME))?
goto err;
bytes = *(uint64_t *)obj.data;
if (usi->count && (usi->flags & USF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
+ format_size_value(select_conf.size_unit_arg, bytes,
+ select_conf.size_unit_arg == size_unit_arg_h,
formated_value);
printf("%s%s%s",
(usi->flags & USF_PRINT_FILES)? "" : "\t",
goto err;
files = *(uint64_t *)obj.data;
if (gsi->count && (gsi->flags & GSF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
+ format_count_value(select_conf.count_unit_arg, files,
+ select_conf.count_unit_arg == count_unit_arg_h,
formated_value);
printf("\t%s%s", formated_value,
(gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_DIRNAME))?
goto err;
bytes = *(uint64_t *)obj.data;
if (gsi->count && (gsi->flags & GSF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
+ format_size_value(select_conf.size_unit_arg, bytes,
+ select_conf.size_unit_arg == size_unit_arg_h,
formated_value);
printf("%s%s%s",
(gsi->flags & GSF_PRINT_FILES)? "" : "\t",
enum enum_count_unit ud, uf;
enum enum_size_unit us;
- ud = format_count_value(conf.count_unit_arg, num_dirs, 0, d);
- uf = format_count_value(conf.count_unit_arg, num_files, 0, f);
- us = format_size_value(conf.size_unit_arg, num_bytes, 0, s);
-
- printf("Global summary "
- "(dirs(%c)/files(%c)/size(%c))\n"
- "\t%s\t%s\t%s\n\n",
- count_unit_abbrevs[ud],
- count_unit_abbrevs[uf],
- size_unit_abbrevs[us],
- d, f, s
+ if (conf.no_global_summary_given)
+ return;
+ ud = format_count_value(select_conf.count_unit_arg, num_dirs, 0, d);
+ uf = format_count_value(select_conf.count_unit_arg, num_files, 0, f);
+ us = format_size_value(select_conf.size_unit_arg, num_bytes, 0, s);
+
+ if (!conf.no_headers_given)
+ printf("Global summary "
+ "(dirs(%c)/files(%c)/size(%c))\n",
+ count_unit_abbrevs[ud],
+ count_unit_abbrevs[uf],
+ size_unit_abbrevs[us]
+ );
+ printf("\t%s\t%s\t%s\n\n", d, f, s);
+}
+
+static int print_user_summary_line(struct user_info *ui, __a_unused void *data)
+{
+ char formated_dir_count[FORMATED_VALUE_SIZE],
+ formated_file_count[FORMATED_VALUE_SIZE],
+ formated_bytes[FORMATED_VALUE_SIZE ];
+
+ format_count_value(select_conf.count_unit_arg, ui->dirs,
+ select_conf.count_unit_arg == count_unit_arg_h,
+ formated_dir_count);
+ format_count_value(select_conf.count_unit_arg, ui->files,
+ select_conf.count_unit_arg == count_unit_arg_h,
+ formated_file_count);
+ format_size_value(select_conf.size_unit_arg, ui->bytes,
+ select_conf.size_unit_arg == size_unit_arg_h,
+ formated_bytes);
+ printf("\t%s\t%u\t%s\t%s\t%s\n",
+ ui->pw_name? ui->pw_name : "?",
+ (unsigned)ui->uid,
+ formated_dir_count,
+ formated_file_count,
+ formated_bytes
);
+ return 1;
+}
+
+static int name_comp(const void *a, const void *b)
+{
+ char *x = ((struct user_info *)a)->pw_name;
+ char *y = ((struct user_info *)b)->pw_name;
+ if (!x)
+ return 1;
+ if (!y)
+ return -1;
+ return strcmp(x, y);
}
-static void print_id_stats(void)
+static int uid_comp(const void *a, const void *b)
{
- struct user_info *ui;
+ return -NUM_COMPARE(((struct user_info *)a)->uid,
+ ((struct user_info *)b)->uid);
+}
- printf("User summary "
- "(pw_name/uid/dirs%s/files%s/size%s):\n",
- count_unit_buf, count_unit_buf, size_unit_buf);
- FOR_EACH_USER(ui) {
- char formated_dir_count[FORMATED_VALUE_SIZE],
- formated_file_count[FORMATED_VALUE_SIZE],
- formated_bytes[FORMATED_VALUE_SIZE ];
- if (!ui_used(ui) || !ui_admissible(ui))
- continue;
- format_count_value(conf.count_unit_arg, ui->dirs,
- conf.count_unit_arg == count_unit_arg_h,
- formated_dir_count);
- format_count_value(conf.count_unit_arg, ui->files,
- conf.count_unit_arg == count_unit_arg_h,
- formated_file_count);
- format_size_value(conf.size_unit_arg, ui->bytes,
- conf.size_unit_arg == size_unit_arg_h,
- formated_bytes);
- printf("\t%s\t%u\t%s\t%s\t%s\n",
- ui->pw_name? ui->pw_name : "?",
- (unsigned)ui->uid,
- formated_dir_count,
- formated_file_count,
- formated_bytes
- );
- }
+static int dir_count_comp(const void *a, const void *b)
+{
+ return NUM_COMPARE(((struct user_info *)a)->dirs,
+ ((struct user_info *)b)->dirs);
}
-static int print_user_stats(void)
+static int file_count_comp(const void *a, const void *b)
{
- struct user_info *ui;
- int ret;
+ return NUM_COMPARE(((struct user_info *)a)->files,
+ ((struct user_info *)b)->files);
+}
+
+static int size_comp(const void *a, const void *b)
+{
+ return NUM_COMPARE(((struct user_info *)a)->bytes,
+ ((struct user_info *)b)->bytes);
+}
- FOR_EACH_USER(ui) {
- struct user_stats_info usi = {
- .count = conf.limit_arg,
- .ui = ui
- };
- if (!ui_used(ui) || !ui_admissible(ui))
- continue;
+/*
+ * The comparators for sorting the user summary.
+ *
+ * This is an array of pointers to functions taking two constant void *
+ * pointers and returning an int.
+ */
+static int (*summary_comparators[])(const void *, const void *) = {
+ [user_summary_sort_arg_name] = name_comp,
+ [user_summary_sort_arg_uid] = uid_comp,
+ [user_summary_sort_arg_dir_count] = dir_count_comp,
+ [user_summary_sort_arg_file_count] = file_count_comp,
+ [user_summary_sort_arg_size] = size_comp,
+};
+
+static void print_user_summary(void)
+{
+ if (conf.no_user_summary_given)
+ return;
+ if (!conf.no_headers_given)
+ printf("User summary "
+ "(pw_name/uid/dirs%s/files%s/size%s):\n",
+ count_unit_buf, count_unit_buf, size_unit_buf);
+ sort_hash_table(summary_comparators[conf.user_summary_sort_arg]);
+ for_each_admissible_user(print_user_summary_line, NULL);
+}
+
+static int print_user_list(struct user_info *ui, __a_unused void *data)
+{
+ int ret;
+ struct user_stats_info usi;
+ enum enum_user_list ula = conf.user_list_arg;
+ int print_size_list = (ula == user_list_arg_size
+ || ula == user_list_arg_both);
+
+ if (print_size_list) {
+ usi.count = select_conf.limit_arg;
+ usi.ui = ui;
usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
- printf("%s (uid %u), by size%s:\n",
- ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
- size_unit_buf);
+ if (!conf.no_headers_given)
+ printf("%s (uid %u), by size%s:\n",
+ ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
+ size_unit_buf);
ret = adu_loop_reverse(ui->table, UT_BYTES, &usi, user_stats_loop_function,
&usi.ret, &usi.osl_errno);
if (ret < 0)
return ret;
- printf("\n%s (uid %u), by file count%s:\n",
- ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
- count_unit_buf);
- usi.count = conf.limit_arg,
+ printf("\n");
+ }
+ if (ula == user_list_arg_file_count || ula == user_list_arg_both) {
+ if (!conf.no_headers_given)
+ printf("%s (uid %u), by file count%s:\n",
+ ui->pw_name? ui->pw_name : "?", (unsigned)ui->uid,
+ count_unit_buf);
+ usi.count = select_conf.limit_arg,
+ usi.ui = ui;
usi.flags = USF_PRINT_DIRNAME | USF_PRINT_FILES;
ret = adu_loop_reverse(ui->table, UT_FILES, &usi, user_stats_loop_function,
&usi.ret, &usi.osl_errno);
return ret;
printf("\n");
}
+ if (ula == user_list_arg_none && !conf.no_user_summary_given) {
+ usi.count = select_conf.limit_arg;
+ usi.ui = ui;
+ usi.flags = USF_COMPUTE_SUMMARY;
+ ret = adu_loop_reverse(ui->table, UT_FILES, &usi, user_stats_loop_function,
+ &usi.ret, &usi.osl_errno);
+ if (ret < 0)
+ return ret;
+ }
+ return 1;
+}
+
+static int print_user_lists(void)
+{
+ return for_each_admissible_user(print_user_list, NULL);
+}
+
+static int print_global_lists(void)
+{
+ struct global_stats_info gsi;
+ int ret;
+ enum enum_global_list gla = conf.global_list_arg;
+ int print_size_list = (gla == global_list_arg_size
+ || gla == global_list_arg_both);
+
+ if (print_size_list) {
+ gsi.count = select_conf.limit_arg;
+ gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY;
+ if (!conf.no_headers_given)
+ printf("By size%s:\n", size_unit_buf);
+ ret = adu_loop_reverse(dir_table, DT_BYTES, &gsi,
+ global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
+ if (ret < 0)
+ return ret;
+ printf("\n");
+ }
+ if (gla == global_list_arg_file_count || gla == global_list_arg_both) {
+ gsi.count = select_conf.limit_arg;
+ gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
+ if (!print_size_list)
+ gsi.flags |= GSF_COMPUTE_SUMMARY;
+ if (!conf.no_headers_given)
+ printf("By file count%s:\n", count_unit_buf);
+ ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
+ global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
+ if (ret < 0)
+ return ret;
+ printf("\n");
+ }
+ if (gla == global_list_arg_none && !conf.no_global_summary_given) {
+ /* must compute summary */
+ gsi.count = select_conf.limit_arg;
+ gsi.flags = GSF_COMPUTE_SUMMARY;
+ ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
+ global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
+ if (ret < 0)
+ return ret;
+ }
return 1;
}
static int print_statistics(void)
{
int ret;
- struct global_stats_info gsi = {
- .count = conf.limit_arg,
- .flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY
- };
- printf("By size%s:\n",
- size_unit_buf);
- ret = adu_loop_reverse(dir_table, DT_BYTES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- printf("\n");
-
- gsi.count = conf.limit_arg;
- gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
- printf("By file count%s:\n",
- count_unit_buf);
- ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
+ ret = print_global_lists();
if (ret < 0)
return ret;
- printf("\n");
print_global_summary();
- print_user_stats();
- print_id_stats();
+ print_user_lists();
+ print_user_summary();
return 1;
}
uint32_t n;
char *filename = get_uid_list_name(), *map;
int ret = mmap_full_file(filename, O_RDONLY, (void **)&map, &size, NULL);
+ unsigned bits;
if (ret < 0) {
INFO_LOG("failed to map %s\n", filename);
num_uids = size / 4;
INFO_LOG("found %u uids in %s\n", (unsigned)num_uids, filename);
free(filename);
- /* hash table size should be a power of two and larger than the number of uids */
- uid_hash_table_size = 4;
- while (uid_hash_table_size < num_uids)
- uid_hash_table_size *= 2;
- create_hash_table();
+ /*
+ * Compute number of hash table bits. The hash table size must be a
+ * power of two and larger than the number of uids.
+ */
+ bits = 2;
+ while (1 << bits < num_uids)
+ bits++;
+ create_hash_table(bits);
for (n = 0; n < num_uids; n++) {
uint32_t uid = read_u32(map + n * sizeof(uid));
- ret = search_uid(uid, OPEN_USER_TABLE, NULL);
+ ret = search_uid(uid, admissible_uids, OPEN_USER_TABLE, NULL);
if (ret < 0)
goto out;
}
int com_select(void)
{
int ret;
+ struct select_cmdline_parser_params params = {
+ .override = 1,
+ .initialize = 1,
+ .check_required = 1,
+ .check_ambiguity = 1,
+ .print_errors = 1
+ };
+
+ if (conf.select_options_given) {
+ if (select_cmdline_parser_string_ext(conf.select_options_arg,
+ &select_conf, "select", ¶ms))
+ return -E_SYNTAX;
+ ret = parse_uid_arg(select_conf.uid_arg, &admissible_uids);
+ if (ret < 0)
+ return ret;
+ }
- if (conf.count_unit_arg != count_unit_arg_h)
- count_unit_buf[1] = count_unit_abbrevs[conf.count_unit_arg];
+ if (select_conf.count_unit_arg != count_unit_arg_h)
+ count_unit_buf[1] = count_unit_abbrevs[select_conf.count_unit_arg];
else
count_unit_buf[0] = '\0';
- if (conf.size_unit_arg != size_unit_arg_h)
- size_unit_buf[1] = size_unit_abbrevs[conf.size_unit_arg];
+ if (select_conf.size_unit_arg != size_unit_arg_h)
+ size_unit_buf[1] = size_unit_abbrevs[select_conf.size_unit_arg];
else
size_unit_buf[0] = '\0';
- ret = open_dir_table();
+ ret = open_dir_table(0);
if (ret < 0)
return ret;
check_signals();
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